(19)

(11)

EP 0 991 323 A1

(12)

(43) Date of publication: 12.04.2000 Bulletin 2000/15 (21) Application number: 98937463.2 (22) Date of filing: 04.06.1998

(51) International Patent Classification (IPC)7: A22C 25/00 (86) International application number: PCT/EP9803/493 (87) International publication number: WO 9856/256 (17.12.1998 Gazette 1998/50)

(84) Designated Contracting States: BE CH DE ES FR GB IT LI NL SE (30) Priority: 11.06.1997 EP 97304059 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) GB  UNILEVER N.V. 3013 AL Rotterdam (NL) BE CH DE ES FR IT LI NL SE	(72) Inventors: HEDGES, Nicholas, David Sharnbrook,Bedford MK44 1LQ (GB) HURLING, Robert Sharnbrook,Bedford MK44 1LQ (GB) (74) Representative: Hugot, Alain  Unilever plc,Patent Division,Colworth House Sharnbrook,Bedford MK44 1LQ Sharnbrook,Bedford MK44 1LQ (GB)